If True, returns (data,target) instead of a Bunch object.
See below for more information about the data and target object.

New in version 0.18.

Returns:

data:Bunch

Dictionary-like object, the interesting attributes are:
‘data’, the data to learn, ‘target’, the regression targets,
‘DESCR’, the full description of the dataset,
and ‘filename’, the physical location of boston
csv dataset (added in version 0.20).